So we continue to wait for possible solutions. My own 2011-vintage Z68 based vZilla build has 32GB of RAM, and still works nicely 24x7, at around 100 watts. Cost was $300 for the Core i7 CPU, $255 for the ASrock Z68 motherboard, and $270 for the 32GB of memory, total of $825. See also:

In the last few days, we've learned about the new Intel LGA 2011-3 socket for August 29th's Haswell-E, including the X99S chipset based motherboards. Some of this new crop will have 8 memory sockets, making 64GB a possibility by using 8 8GB DIMMs. But it'll all be at enthusiast pricing, and gamer watt burn, and an emphasis on overclocking features. The CPU family starts around $300, the motherboards will likely be around $400, and the new memory around $???. We'll have to wait and see. It's new DDR4 SDRAM, and as we've seen with past jumps in memory technology have shown, it'll also likely mean high prices. Oh yeah, this kind of system likely has a 130 to 140 Watt TDP. And that's without those 8 memory slots full. Not ideal for a multi-purpose home server like mine, left running 24x7.

A little newer is the Intel Atom family of CPUs (formerly known as Avoton/Rangely) such as the C2750 SOC (System on a Chip, shipped as CPU+mobo combo), which have been out since October of 2013, as I mentioned back in June, 2014. Such Atoms systems, such as the Supermicro A1SAi-2750F, already support 4 memory sockets and 64GB of RAM, using 4 16GB DDR3 DIMMs. A mere 20 watts TDP. Ability to juggle a lot of VMs (I run about 7 full-time) is TBD, and there's the trouble with finding anybody who sells such DIMMs affordably. See my search on Amazon here for example, with just one choice of DDR3 DIMM at about $678 USD, as of Aug 16 2014, that might work in the C2750.

Should be an interesting 3rd (and 4th) quarter!

(digging around more after the article was published did get some reader feedback on other 64GB kits, but all are still upwards of $650, see also ASRock Memory QVL here, with no 64GB kits listed. 64GB SODIMM kits are even more elusive. How do you actually buy the MM2G64D3(L)SOD8AG? Good discussion here too.)

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